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Manually merge over changes from trunk, so that tests pass, as svnmerge appears to have missed something 

git-svn-id: https://svn.apache.org/repos/asf/poi/branches/ooxml@642564 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-03-29 17:37:13 +00:00
parent 8aa0c858c6
commit 2cc20707fc
1 changed files with 79 additions and 77 deletions
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156
src/java/org/apache/poi/hssf/usermodel/HSSFRow.java
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@ -15,11 +15,6 @@
limitations under the License.
==================================================================== */
/*
* HSSFRow.java
*
* Created on September 30, 2001, 3:44 PM
*/
package org.apache.poi.hssf.usermodel;
import java.util.Iterator;
@ -40,10 +35,7 @@ import org.apache.poi.ss.usermodel.Row;
* @author Andrew C. Oliver (acoliver at apache dot org)
* @author Glen Stampoultzis (glens at apache.org)
*/
public class HSSFRow
implements Comparable, Row
{
public final class HSSFRow implements Comparable, Row {
// used for collections
public final static int INITIAL_CAPACITY = 5;
@ -159,26 +151,31 @@ public class HSSFRow
* @param cell to remove
*/
public void removeCell(Cell cell) {
removeCell((HSSFCell) cell, true);
if(cell == null) {
throw new IllegalArgumentException("cell must not be null");
}
removeCell((HSSFCell)cell, true);
}
private void removeCell(HSSFCell cell, boolean alsoRemoveRecords) {
if(alsoRemoveRecords) {
CellValueRecordInterface cval = cell.getCellValueRecord();
sheet.removeValueRecord(getRowNum(), cval);
}
short column=cell.getCellNum();
if(cell!=null && column<cells.length)
{
cells[column]=null;
if(column < 0) {
throw new RuntimeException("Negative cell indexes not allowed");
}
if (cell.getCellNum() == row.getLastCol())
{
row.setLastCol(findLastCell(row.getLastCol()));
if(column >= cells.length || cell != cells[column]) {
throw new RuntimeException("Specified cell is not from this row");
}
if (cell.getCellNum() == row.getFirstCol())
{
cells[column]=null;
if(alsoRemoveRecords) {
CellValueRecordInterface cval = cell.getCellValueRecord();
sheet.removeValueRecord(getRowNum(), cval);
}
if (cell.getCellNum()+1 == row.getLastCol()) {
row.setLastCol((short) (findLastCell(row.getLastCol())+1));
}
if (cell.getCellNum() == row.getFirstCol()) {
row.setFirstCol(findFirstCell(row.getFirstCol()));
}
}
@ -236,7 +233,7 @@ public class HSSFRow
* TODO - Should this really be public?
*/
protected int getOutlineLevel() {
return row.getOutlineLevel();
return row.getOutlineLevel();
}
/**
@ -246,55 +243,48 @@ public class HSSFRow
* @param newColumn The new column number (0 based)
*/
public void moveCell(HSSFCell cell, short newColumn) {
// Ensure the destination is free
if(cells.length > newColumn && cells[newColumn] != null) {
throw new IllegalArgumentException("Asked to move cell to column " + newColumn + " but there's already a cell there");
}
// Check it's one of ours
if(! cells[cell.getCellNum()].equals(cell)) {
throw new IllegalArgumentException("Asked to move a cell, but it didn't belong to our row");
}
// Move the cell to the new position
// (Don't remove the records though)
removeCell(cell, false);
cell.updateCellNum(newColumn);
addCell(cell);
// Ensure the destination is free
if(cells.length > newColumn && cells[newColumn] != null) {
throw new IllegalArgumentException("Asked to move cell to column " + newColumn + " but there's already a cell there");
}
// Check it's one of ours
if(! cells[cell.getCellNum()].equals(cell)) {
throw new IllegalArgumentException("Asked to move a cell, but it didn't belong to our row");
}
// Move the cell to the new position
// (Don't remove the records though)
removeCell(cell, false);
cell.updateCellNum(newColumn);
addCell(cell);
}
/**
* used internally to add a cell.
*/
private void addCell(HSSFCell cell)
{
short column=cell.getCellNum();
if (row.getFirstCol() == -1)
{
row.setFirstCol(column);
}
if (row.getLastCol() == -1)
{
row.setLastCol(column);
}
private void addCell(HSSFCell cell) {
if(column>=cells.length)
{
HSSFCell[] oldCells=cells;
int newSize=oldCells.length*2;
if(newSize<column+1) newSize=column+1;
cells=new HSSFCell[newSize];
System.arraycopy(oldCells,0,cells,0,oldCells.length);
short column=cell.getCellNum();
// re-allocate cells array as required.
if(column>=cells.length) {
HSSFCell[] oldCells=cells;
int newSize=oldCells.length*2;
if(newSize<column+1) {
newSize=column+1;
}
cells=new HSSFCell[newSize];
System.arraycopy(oldCells,0,cells,0,oldCells.length);
}
cells[column]=cell;
if (column < row.getFirstCol())
{
// fix up firstCol and lastCol indexes
if (row.getFirstCol() == -1 || column < row.getFirstCol()) {
row.setFirstCol(column);
}
if (column > row.getLastCol())
{
row.setLastCol(column);
if (row.getLastCol() == -1 || column >= row.getLastCol()) {
row.setLastCol((short) (column+1)); // +1 -> for one past the last index
}
}
@ -339,16 +329,29 @@ public class HSSFRow
}
/**
* gets the number of the last cell contained in this row <b>PLUS ONE</b>.
* @return short representing the last logical cell in the row <b>PLUS ONE</b>, or -1 if the row does not contain any cells.
* Gets the index of the last cell contained in this row <b>PLUS ONE</b>. The result also
* happens to be the 1-based column number of the last cell. This value can be used as a
* standard upper bound when iterating over cells:
* <pre>
* short minColIx = row.getFirstCellNum();
* short maxColIx = row.getLastCellNum();
* for(short colIx=minColIx; colIx&lt;maxColIx; colIx++) {
* HSSFCell cell = row.getCell(colIx);
* if(cell == null) {
* continue;
* }
* //... do something with cell
* }
* </pre>
*
* @return short representing the last logical cell in the row <b>PLUS ONE</b>, or -1 if the
* row does not contain any cells.
*/
public short getLastCellNum()
{
if (getPhysicalNumberOfCells() == 0)
public short getLastCellNum() {
if (getPhysicalNumberOfCells() == 0) {
return -1;
else
return row.getLastCol();
}
return row.getLastCol();
}
@ -481,7 +484,6 @@ public class HSSFRow
* @return cell iterator of the physically defined cells. Note element 4 may
* actually be row cell depending on how many are defined!
*/
public Iterator cellIterator()
{
return new CellIterator();
@ -509,8 +511,8 @@ public class HSSFRow
}
public Object next() {
if (!hasNext())
throw new NoSuchElementException("At last element");
if (!hasNext())
throw new NoSuchElementException("At last element");
HSSFCell cell=cells[nextId];
thisId=nextId;
findNext();
@ -518,8 +520,8 @@ public class HSSFRow
}
public void remove() {
if (thisId == -1)
throw new IllegalStateException("remove() called before next()");
if (thisId == -1)
throw new IllegalStateException("remove() called before next()");
cells[thisId]=null;
}